find element in array javascript
const simpleArray = [3, 5, 7, 15];
const objectArray = [{ name: 'John' }, { name: 'Emma' }]
console.log( simpleArray.find(e => e === 7) )
// expected output 7
console.log( simpleArray.find(e => e === 10) )
// expected output undefined
console.log( objectArray.find(e => e.name === 'John') )
// expected output { name: 'John' }javascript find object by property in array
// To find a specific object in an array of objects
myObj = myArrayOfObjects.find(obj => obj.prop === 'something');javascript find
const inventory = [
{name: 'apples', quantity: 2},
{name: 'cherries', quantity: 8}
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
{name: 'cherries', quantity: 15}
];
const result = inventory.find( ({ name }) => name === 'cherries' );
console.log(result) // { name: 'cherries', quantity: 5 }js find index in list
let myList = ['foo', 'bar', 'qux'];
myList.indexOf('bar'); // 1js array find
var ages = [3, 10, 18, 20];
function checkAdult(age) {
return age >= 18;
}
/* find() runs the input function agenst all array components
till the function returns a value
*/
ages.find(checkAdult);js array find
const myArray = ["sun","moon","earth"];
const lookingFor = "earth"
console.log(myArray.find(planet => { return planet === lookingFor })
// expected output: earthCopyright © 2021 Codeinu
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